4. For extra peace of mind, the links incorporate a safety wire tab to use in conjunction with the pre-drilled jamb nuts. Hey, if it’s good enough for the aircraft industry, it’s good enough for a Camaro. The adjustment sleeves are machined from 7075-T6 billet aluminum and Type III hard anodized red for corrosion resistance. They come tapped for left- and right-hand threads, which allow for on-car adjustments.